EP1983619A1 - 7-16 coaxial connection connector - Google Patents

7-16 coaxial connection connector Download PDF

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Publication number
EP1983619A1
EP1983619A1 EP08154138A EP08154138A EP1983619A1 EP 1983619 A1 EP1983619 A1 EP 1983619A1 EP 08154138 A EP08154138 A EP 08154138A EP 08154138 A EP08154138 A EP 08154138A EP 1983619 A1 EP1983619 A1 EP 1983619A1
Authority
EP
European Patent Office
Prior art keywords
contact
tubular
base according
piece
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08154138A
Other languages
German (de)
French (fr)
Other versions
EP1983619B1 (en
Inventor
Pierre-Yves Arnaud
Alain Guillomin
Claude Brocheton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Radiall SA
Original Assignee
Radiall SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Radiall SA filed Critical Radiall SA
Publication of EP1983619A1 publication Critical patent/EP1983619A1/en
Application granted granted Critical
Publication of EP1983619B1 publication Critical patent/EP1983619B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the present invention relates to a coaxial connection base 7-16.
  • Such bases whose name comes from the fact that they have an internal contact diameter of 7 mm and an outside contact diameter of 16 mm, are widely used in telecommunications equipment to connect radio frequency lines for which very severe performance in passive intermodulation and in losses are required.
  • connection bases are located at the input / output of duplexing filters, on the antennas, and more generally on the other equipment located between these elements, such as mat amplifiers, surge arresters, etc.
  • bases having a body machined in the mass having externally a threaded surface and a fixing plate perpendicular to a longitudinal axis of the body, the plate having a shape substantially square and four holes for the mounting screw passage.
  • connection bases 7-16 comprising a bimaterial tubular body, the plate being made by overmoulding or plastic force mounting on the tubular body made of brass.
  • the present invention proposes to provide a coaxial connection base 7-16 having a great ease of assembly, to obtain excellent intermodulation performance, with reduced weight, good corrosion resistance and a manufacturing cost. low.
  • connection base 7-16 comprising a tubular body comprising externally a threaded surface and an attachment plate perpendicular to the longitudinal axis of the body, and a central contact mounted in said body with the interposition of an insulator , characterized in that it comprises a metal tubular piece, forming external contact, mounted to fit tightly in the inner wall of said tubular body with the possibility of limited relative longitudinal displacement.
  • the central contact and the metal tubular piece forming external contact are preferably made of brass.
  • said body is an integral piece of molded plastic.
  • the tubular body is advantageously made of an injection-molded plastic material selected from the group comprising PAA (polyaryl-amide), PAI (polyamide-imide) and PPS (phenylene polysulfide) preferably filled with glass fibers or carbon or conductive metal material or not.
  • PAA polyaryl-amide
  • PAI polyamide-imide
  • PPS phenylene polysulfide
  • the tubular body may be made of metal, for example zinc or aluminum alloy having undergone an anti-corrosion surface treatment, in particular by chromic passivation.
  • the metal tubular piece forming external contact is held in the body, before placing the base in the equipment, preferably by a slight tightening or clipping or deformation of the inner wall facing the body tubular.
  • the base illustrated on the design comprises a tubular body generally designated 1, a tubular metal part, made of brass, generally designated by 2 housed inside said tubular body and forming an external mass contact, a central brass contact 3 comprising a male contact end 3a and a female contact end 3b, and an insulator 4 interposed between the central contact 3 and the external ground contact 2.
  • the tubular body 1 has externally a threaded surface 5 and a plate 6 of square shape with rounded edges provided at its four corners of holes 7 for the passage of mounting screws (not shown).
  • the body On its inner wall, the body has a shoulder recess 8 against which is applied an annular bead 9 of the part 2 forming external mass contact.
  • the tubular body 1 of the plate according to the invention is produced by injection molding in PAA.
  • PAI or PPS may be used as plastic.
  • the plastic material used has a high rigidity, a low creep and a coefficient of thermal expansion close to that of brass.
  • the interference between the bead 9 of the external contact piece 2 and the bearing surface 8 facing the body makes it possible to maintain the integrity of the components of the base before mounting it on equipment.
  • a slight sliding of the external contact piece is possible when mounting the base under the action of the clamping force applied, or when clamping a plug on the base and the intermodulation characteristics are not modified in case of incorrect installation.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Escalators And Moving Walkways (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The base has a tubular body (1) exteriorly comprising a threaded lock (5) and fixation plate (6) perpendicular to a longitudinal axis of the body. A central contact (3) is mounted in the body. An insulator (4) is interposed between the contact and a tubular metallic piece (2) that forms an external contact. The metallic piece is tightly fixed in an internal wall of the body while ensuring limited relative longitudinal displacement from 0.05-1mm.

Description

La présente invention est relative à une embase de connexion coaxiale 7-16.The present invention relates to a coaxial connection base 7-16.

De telles embases dont le nom vient de ce qu'elles présentent un diamètre de contact intérieur de 7 mm et un diamètre de contact extérieur de 16 mm, sont largement utilisées dans les équipements de télécommunications pour relier les lignes radiofréquence pour lesquelles des performances très sévères en intermodulation passive et en pertes sont exigées.Such bases, whose name comes from the fact that they have an internal contact diameter of 7 mm and an outside contact diameter of 16 mm, are widely used in telecommunications equipment to connect radio frequency lines for which very severe performance in passive intermodulation and in losses are required.

En général, ces embases de connexion sont situées en entrée/sortie de filtres duplexeurs, sur les antennes, et plus généralement sur les autres équipements situés entre ces éléments, tels que des amplificateurs de mats, des parafoudres, etc.In general, these connection bases are located at the input / output of duplexing filters, on the antennas, and more generally on the other equipment located between these elements, such as mat amplifiers, surge arresters, etc.

Pour obtenir une réduction aussi importante que possible du phénomène d'intermodulation, on utilise traditionnellement des embases comportant un corps usiné dans la masse présentant extérieurement une portée filetée et une platine de fixation perpendiculaire à un axe longitudinal du corps, la platine présentant une forme sensiblement carrée et quatre trous pour le passage de vis de montage.To obtain a reduction as large as possible of the intermodulation phenomenon, it is customary to use bases having a body machined in the mass having externally a threaded surface and a fixing plate perpendicular to a longitudinal axis of the body, the plate having a shape substantially square and four holes for the mounting screw passage.

Ces embases ont pour avantage de minimiser les zones de jonction qui sont des sources d'intermodulation, mais ont pour inconvénient d'être coûteuses, lourdes et difficiles à monter. En effet, le montage les embases classiques par l'intermédiaire de quatre vis engagées dans les trous correspondants de la platine est délicat dès lors que l'on veut minimiser l'intermodulation, car il est nécessaire d'obtenir une bonne répartition des pressions dans les zones de contact.These bases have the advantage of minimizing the junction areas which are sources of intermodulation, but have the disadvantage of being expensive, heavy and difficult to mount. Indeed, the mounting conventional bases through four screws engaged in the corresponding holes of the plate is difficult since we want to minimize intermodulation, because it is necessary to obtain a good distribution of pressure in the contact areas.

Il a également été proposé de remplacer le laiton traditionnellement utilisé par un alliage plus léger à base de zinc (Zamak) ou d'aluminium.It has also been proposed to replace brass traditionally used by a lighter alloy based on zinc (Zamak) or aluminum.

Les problèmes exposés ci-dessus restent sensiblement les mêmes, mais la production des pièces est moins coûteuse car les corps tubulaires peuvent être obtenus par moulage sous pression. L'inconvénient est que de telles embases sont difficiles à protéger et très sensibles à la corrosion nécessitant un traitement de surface conducteur.The problems described above remain substantially the same, but the production of the parts is less expensive because the tubular bodies can be obtained by molding under pressure. The disadvantage is that such bases are difficult to protect and very sensitive to corrosion requiring conductive surface treatment.

Il a été également proposé de réaliser des embases de connexion coaxiales 7-16 comportant un corps tubulaire bimatière, la platine étant réalisée par surmoulage ou de montage en force de matière plastique sur le corps tubulaire réalisé en laiton.It has also been proposed to produce coaxial connection bases 7-16 comprising a bimaterial tubular body, the plate being made by overmoulding or plastic force mounting on the tubular body made of brass.

Cette solution ne résout pas les problèmes liés au montage final à l'aide des vis engagées dans les trous de la platine.This solution does not solve the problems related to the final assembly using the screws engaged in the holes of the plate.

De plus, on constate des déformations importantes en cours d'utilisation sous contrainte continue du fait d'un phénomène de relaxation qui fait diminuer les pressions de contact dans le temps.In addition, there are significant deformations in use under continuous stress due to a relaxation phenomenon that reduces contact pressures over time.

La présente invention se propose de réaliser une embase de connexion coaxiale 7-16 présentant une grande facilité de montage, permettant d'obtenir d'excellentes performances d'intermodulation, avec un poids réduit, une bonne résistance à la corrosion et un coût de fabrication faible.The present invention proposes to provide a coaxial connection base 7-16 having a great ease of assembly, to obtain excellent intermodulation performance, with reduced weight, good corrosion resistance and a manufacturing cost. low.

La présente invention a pour objet une embase de connexion 7-16 comportant un corps tubulaire comprenant extérieurement une portée filetée et une platine de fixation perpendiculaire à l'axe longitudinal du corps, et un contact central monté dans ledit corps avec interposition d'un isolant, caractérisé par le fait qu'elle comporte une pièce tubulaire métallique, formant contact extérieur, montée à ajustement serré dans la paroi intérieure dudit corps tubulaire avec possibilité de déplacement longitudinal relatif limité.The present invention relates to a connection base 7-16 comprising a tubular body comprising externally a threaded surface and an attachment plate perpendicular to the longitudinal axis of the body, and a central contact mounted in said body with the interposition of an insulator , characterized in that it comprises a metal tubular piece, forming external contact, mounted to fit tightly in the inner wall of said tubular body with the possibility of limited relative longitudinal displacement.

Par déplacement longitudinal limité on en entend selon l'invention un déplacement de 0,05 mm à 1 mm selon l'effort axial appliqué lors du montage de l'embase sur un équipement ou le serrage d'une fiche sur l'embase.By limited longitudinal displacement is understood according to the invention a displacement of 0.05 mm to 1 mm depending on the axial force applied during mounting of the base on equipment or the clamping of a plug on the base.

Selon l'invention le contact central et la pièce tubulaire métallique formant contact extérieur sont de préférence réalisés en laiton.According to the invention the central contact and the metal tubular piece forming external contact are preferably made of brass.

De préférence, ledit corps est une pièce d'un seul tenant en matière plastique moulée.Preferably, said body is an integral piece of molded plastic.

Le corps tubulaire est avantageusement réalisé en une matière plastique moulée par injection, choisie dans le groupe comportant les PAA (polyaryl-amide), les PAI (polyamide-imide) et les PPS (polysulfure de phénylène) de préférence chargés en fibres de verre ou de carbone ou de matériau métallique conducteur ou non.The tubular body is advantageously made of an injection-molded plastic material selected from the group comprising PAA (polyaryl-amide), PAI (polyamide-imide) and PPS (phenylene polysulfide) preferably filled with glass fibers or carbon or conductive metal material or not.

En variante, le corps tubulaire peut être en métal, par exemple en alliage de zinc ou d'aluminium ayant subi un traitement de surface anticorrosion, notamment par passivation chromique.As a variant, the tubular body may be made of metal, for example zinc or aluminum alloy having undergone an anti-corrosion surface treatment, in particular by chromic passivation.

Selon l'invention la pièce tubulaire métallique formant contact extérieur est maintenue dans le corps, avant mise la place de l'embase dans l'équipement, de préférence par un léger serrage ou par clipsage ou par déformation de la paroi intérieure en regard du corps tubulaire.According to the invention the metal tubular piece forming external contact is held in the body, before placing the base in the equipment, preferably by a slight tightening or clipping or deformation of the inner wall facing the body tubular.

D'autres avantages et caractéristiques de l'invention apparaîtront à la lecture de la description qui suit d'un exemple de réalisation non limitatif en se référant au dessin annexé dans lequel :

  • La figure 1 est une vue en coupe de l'embase selon l'invention.
  • La figure 2 est une vue en perspective éclatée des composants de l'embase illustrée à la figure 1.
  • La figure 3 est une vue en perspective éclatée et en demi-coupe des composants de l'embase selon l'invention et les figures 4 et 5 illustrent l'embase vue deux selon angles différents.
Other advantages and characteristics of the invention will appear on reading the following description of a non-limiting exemplary embodiment with reference to the appended drawing in which:
  • The figure 1 is a sectional view of the base according to the invention.
  • The figure 2 is an exploded perspective view of the components of the base illustrated in FIG. figure 1 .
  • The figure 3 is an exploded perspective view in half-section of the components of the base according to the invention and the Figures 4 and 5 illustrate the base seen two from different angles.

L'embase illustrée sur le dessein comporte un corps tubulaire désigné globalement par 1, une pièce tubulaire métallique, en laiton, désignée globalement par 2 logée à l'intérieur dudit corps tubulaire et formant contact extérieur de masse, un contact central en laiton 3 comportant une extrémité de contact male 3a et une extrémité de contact femelle 3b, et un isolant 4 interposé entre le contact central 3 et le contact extérieur de masse 2.The base illustrated on the design comprises a tubular body generally designated 1, a tubular metal part, made of brass, generally designated by 2 housed inside said tubular body and forming an external mass contact, a central brass contact 3 comprising a male contact end 3a and a female contact end 3b, and an insulator 4 interposed between the central contact 3 and the external ground contact 2.

Le corps tubulaire 1 présente extérieurement une portée filetée 5 et une platine 6 de forme carrée à bords arrondis munie au niveau de ses quatre coins de trous 7 pour le passage de vis de montage (non représentées).The tubular body 1 has externally a threaded surface 5 and a plate 6 of square shape with rounded edges provided at its four corners of holes 7 for the passage of mounting screws (not shown).

Sur sa paroi intérieure, le corps présente une portée en décrochement 8 contre laquelle s'applique un bourrelet annulaire 9 de la pièce 2 formant contact extérieur de masse.On its inner wall, the body has a shoulder recess 8 against which is applied an annular bead 9 of the part 2 forming external mass contact.

Le corps tubulaire 1 de la platine selon l'invention est réalisé par moulage par injection en PAA.The tubular body 1 of the plate according to the invention is produced by injection molding in PAA.

En variante, on peut utiliser comme matière plastique du PAI ou du PPS.Alternatively, PAI or PPS may be used as plastic.

La matière plastique utilisée présente une forte rigidité, un faible fluage et un coefficient de dilatation thermique proche de celui du laiton.The plastic material used has a high rigidity, a low creep and a coefficient of thermal expansion close to that of brass.

L'interférence entre le bourrelet 9 de la pièce formant contact extérieur 2 et la portée 8 en regard du corps permet de maintenir l'intégrité des composants de l'embase avant son montage sur un équipement. Un léger coulissement de la pièce formant contact extérieur est possible lors du montage de l'embase sous l'action de la force de serrage appliquée, ou lors du serrage d'une fiche sur l'embase et les caractéristiques d'intermodulation ne sont pas modifiées en cas de montage incorrect.The interference between the bead 9 of the external contact piece 2 and the bearing surface 8 facing the body makes it possible to maintain the integrity of the components of the base before mounting it on equipment. A slight sliding of the external contact piece is possible when mounting the base under the action of the clamping force applied, or when clamping a plug on the base and the intermodulation characteristics are not modified in case of incorrect installation.

Claims (5)

Embase de connexion 7-16 comportant un corps tubulaire (1) comprenant extérieurement une portée filetée (5) et une platine de fixation (6) perpendiculaire à l'axe longitudinal du corps, et un contact central (3) monté dans ledit corps avec interposition d'un isolant (4), caractérisé par le fait qu'elle comporte une pièce tubulaire métallique (2) formant contact extérieur montée à ajustement serré dans la paroi intérieure dudit corps (1) avec possibilité de déplacement longitudinal relatif limité.Connection socket 7-16 comprising a tubular body (1) comprising externally a threaded surface (5) and a fixing plate (6) perpendicular to the longitudinal axis of the body, and a central contact (3) mounted in said body with interposition of an insulator (4), characterized by the fact that it comprises a metal tubular piece (2) forming an external contact mounted tightly in the inner wall of said body (1) with the possibility of limited relative longitudinal displacement. Embase selon la revendication 1, caractérisée par le fait que ledit corps (1) est une pièce d'un seul tenant en matière plastique moulée.Base according to claim 1, characterized in that said body (1) is an integral piece of molded plastic material. Embase selon la revendication 2, caractérisée par le fait que ledit corps (1) est obtenu par moulage par injection.Base according to Claim 2, characterized in that the said body (1) is obtained by injection molding. Embase selon l'une quelconque des revendications 2 et 3, caractérisée par le fait que le corps tubulaire est réalisé en une matière plastique choisie dans le groupe comportant les PAA (polyaryl-amide), les PAI (polyamide-imide) et les PPS (polysulfure de phénylène).Base according to any one of claims 2 and 3, characterized in that the tubular body is made of a plastic material selected from the group comprising PAA (polyaryl-amide), PAI (polyamide-imide) and PPS ( phenylene polysulfide). Embase selon l'une des quelconque des revendications précédentes, caractérisée par le fait que la pièce formant contact extérieur (2) comporte extérieurement un bourrelet périphérique (9) en appui avec interférence contre une portée en décrochement (8) de la paroi intérieure du corps (1).Base according to any one of the preceding claims, characterized in that the outer contact piece (2) externally has a peripheral bead (9) in interference bearing against a recess surface (8) of the inner wall of the body. (1).
EP08154138A 2007-04-17 2008-04-07 7-16 coaxial connection connector Not-in-force EP1983619B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0754516A FR2915324B1 (en) 2007-04-17 2007-04-17 COAXIAL CONNECTION BASE 7-16.

Publications (2)

Publication Number Publication Date
EP1983619A1 true EP1983619A1 (en) 2008-10-22
EP1983619B1 EP1983619B1 (en) 2011-11-16

Family

ID=38227762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08154138A Not-in-force EP1983619B1 (en) 2007-04-17 2008-04-07 7-16 coaxial connection connector

Country Status (8)

Country Link
US (1) US7520779B2 (en)
EP (1) EP1983619B1 (en)
JP (1) JP2008270213A (en)
KR (1) KR20080093902A (en)
CN (1) CN101335373B (en)
AT (1) ATE534171T1 (en)
FR (1) FR2915324B1 (en)
TW (1) TW200913402A (en)

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US4662703A (en) 1985-08-14 1987-05-05 Amp Incorporated Coaxial connector with improved retention of a center contact
EP1182744A2 (en) * 2000-08-19 2002-02-27 Spinner GmbH Elektrotechnische Fabrik Phase balancing means for a coaxial cable and connector therefore
US20040038587A1 (en) * 2002-08-23 2004-02-26 Yeung Hubert K. High frequency coaxial connector for microcircuit packaging
DE202006007028U1 (en) * 2005-05-10 2006-06-02 Lih Yeu Seng Industries CO., LTD., Yungkang City High frequency matching adapter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT16923U1 (en) * 2018-11-27 2020-12-15 Neutrik Ag Built-in connector

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US20080261446A1 (en) 2008-10-23
CN101335373B (en) 2012-08-29
EP1983619B1 (en) 2011-11-16
TW200913402A (en) 2009-03-16
FR2915324B1 (en) 2009-07-03
CN101335373A (en) 2008-12-31
FR2915324A1 (en) 2008-10-24
ATE534171T1 (en) 2011-12-15
KR20080093902A (en) 2008-10-22
US7520779B2 (en) 2009-04-21
JP2008270213A (en) 2008-11-06

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